1862     int num_xfer = 0;  in sg_write_xfer()  local
1872 	num_xfer = (int)(new_interface ?  hp->dxfer_len : hp->flags);  in sg_write_xfer()
1873 	if (schp->bufflen < num_xfer)  in sg_write_xfer()
1874 	    num_xfer = schp->bufflen;  in sg_write_xfer()
1876     if ((num_xfer <= 0) ||   in sg_write_xfer()
1882 		num_xfer, iovec_count, schp->k_use_sg));  in sg_write_xfer()
1898 		usglen = (num_xfer > usglen) ? usglen : num_xfer;  in sg_write_xfer()
1901 		num_xfer -= usglen;  in sg_write_xfer()
1902 		if (num_xfer <= 0)  in sg_write_xfer()
1922 		    if (usglen >= num_xfer) {  in sg_write_xfer()
1923 			if (ok) __copy_from_user(p, up, num_xfer);  in sg_write_xfer()
1932 		    if (ksglen >= num_xfer) {  in sg_write_xfer()
1933 			if (ok) __copy_from_user(p, up, num_xfer);  in sg_write_xfer()
1952     int num_xfer = (int)hp->dxfer_len;  in sg_u_iovec()  local
1962 	    count = num_xfer;  in sg_u_iovec()
2017     int num_xfer = 0;  in sg_read_xfer()  local
2027 	num_xfer =  hp->dxfer_len;  in sg_read_xfer()
2028 	if (schp->bufflen < num_xfer)  in sg_read_xfer()
2029 	    num_xfer = schp->bufflen;  in sg_read_xfer()
2031     if ((num_xfer <= 0) ||   in sg_read_xfer()
2037 		num_xfer, iovec_count, schp->k_use_sg));  in sg_read_xfer()
2053 		usglen = (num_xfer > usglen) ? usglen : num_xfer;  in sg_read_xfer()
2056 		num_xfer -= usglen;  in sg_read_xfer()
2057 		if (num_xfer <= 0)  in sg_read_xfer()
2077 		    if (usglen >= num_xfer) {  in sg_read_xfer()
2078 			if (ok) __copy_to_user(up, p, num_xfer);  in sg_read_xfer()
2087 		    if (ksglen >= num_xfer) {  in sg_read_xfer()
2088 			if (ok) __copy_to_user(up, p, num_xfer);  in sg_read_xfer()